content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
   * Other names may be trademarks of their respective owners.]
   *
   * ------------------------------
   * OHLCSeriesCollectionTests.java
   * ------------------------------
   * (C) Copyright 2006-2009, by Object Refinery Limited and Contributors.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 04-Dec-2006 : Version 1 (DG);
   * 10-Jul-2008 : Updated testEquals() method (DG);
   * 26-Jun-2009 : Added tests for removeSeries() methods (DG);
   *
   */
  
  package org.jfree.data.time.ohlc;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertNotSame;
  import static org.junit.jupiter.api.Assertions.assertNull;
  import static org.junit.jupiter.api.Assertions.assertSame;
  import static org.junit.jupiter.api.Assertions.fail;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.ObjectInput;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutput;
  import java.io.ObjectOutputStream;
  import org.jfree.data.general.DatasetChangeEvent;
  import org.jfree.data.general.DatasetChangeListener;
  import org.jfree.data.time.TimePeriodAnchor;
  import org.jfree.data.time.Year;
  import org.junit.jupiter.api.Test;
  
  ;
  
  /**
   * Tests for the {@link OHLCSeriesCollection} class.
   */
  public class OHLCSeriesCollectionTest
          implements DatasetChangeListener {
  
  
  
  
  
      /**
       * Confirm that the equals method can distinguish all the required fields.
       */
      @Test
      public void testEquals() {
          OHLCSeriesCollection c1 = new OHLCSeriesCollection();
          OHLCSeriesCollection c2 = new OHLCSeriesCollection();
          assertEquals(c1, c2);
  
          // add a series
          OHLCSeries s1 = new OHLCSeries("Series");
          s1.add(new Year(2006), 1.0, 1.1, 1.2, 1.3);
          c1.addSeries(s1);
          assertFalse(c1.equals(c2));
          OHLCSeries s2 = new OHLCSeries("Series");
          s2.add(new Year(2006), 1.0, 1.1, 1.2, 1.3);
          c2.addSeries(s2);
          assertEquals(c1, c2);
  
          // add an empty series
          c1.addSeries(new OHLCSeries("Empty Series"));
          assertFalse(c1.equals(c2));
          c2.addSeries(new OHLCSeries("Empty Series"));
          assertEquals(c1, c2);
  
          c1.setXPosition(TimePeriodAnchor.END);
          assertFalse(c1.equals(c2));
          c2.setXPosition(TimePeriodAnchor.END);
          assertEquals(c1, c2);
  
      }
  
      /**
       * Confirm that cloning works.
       */
      @Test
      public void testCloning() throws CloneNotSupportedException {
          OHLCSeriesCollection c1 = new OHLCSeriesCollection();
          OHLCSeries s1 = new OHLCSeries("Series");
          s1.add(new Year(2006), 1.0, 1.1, 1.2, 1.3);
          c1.addSeries(s1);
          OHLCSeriesCollection c2 = (OHLCSeriesCollection) c1.clone();
          assertNotSame(c1, c2);
          assertSame(c1.getClass(), c2.getClass());
          assertEquals(c1, c2);
  
          // check independence
          s1.setDescription("XYZ");
          assertFalse(c1.equals(c2));
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      @Test
      public void testSerialization() throws IOException, ClassNotFoundException {
          OHLCSeriesCollection c1 = new OHLCSeriesCollection();
          OHLCSeries s1 = new OHLCSeries("Series");
          s1.add(new Year(2006), 1.0, 1.1, 1.2, 1.3);
          c1.addSeries(s1);
  
              ByteArrayOutputStream buffer = new ByteArrayOutputStream();
              ObjectOutput out = new ObjectOutputStream(buffer);
              out.writeObject(c1);
              out.close();
  
              ObjectInput in = new ObjectInputStream(
                      new ByteArrayInputStream(buffer.toByteArray()));
          OHLCSeriesCollection c2 = (OHLCSeriesCollection) in.readObject();
              in.close();
  
          assertEquals(c1, c2);
      }
  
      /**
       * A test for bug report 1170825 (originally affected XYSeriesCollection,
       * this test is just copied over).
       */
      @Test
      public void test1170825() {
          OHLCSeries s1 = new OHLCSeries("Series1");
          OHLCSeriesCollection dataset = new OHLCSeriesCollection();
          dataset.addSeries(s1);
          try {
              /* XYSeries s = */ dataset.getSeries(1);
              fail("Should have thrown on IllegalArgumentException on index out of bounds");
          }
          catch (IllegalArgumentException e) {
              assertEquals("Series index out of bounds", e.getMessage());
          }
      }
  
      /**
       * Two objects that are equal are required to return the same hashCode.
       */
      @Test
      public void testHashcode() {
          OHLCSeriesCollection c1 = new OHLCSeriesCollection();
          OHLCSeries s1 = new OHLCSeries("S");
          s1.add(new Year(2009), 1.0, 4.0, 0.5, 2.0);
          c1.addSeries(s1);
          OHLCSeriesCollection c2 = new OHLCSeriesCollection();
          OHLCSeries s2 = new OHLCSeries("S");
          s2.add(new Year(2009), 1.0, 4.0, 0.5, 2.0);
          c2.addSeries(s2);
          assertEquals(c1, c2);
          int h1 = c1.hashCode();
          int h2 = c2.hashCode();
          assertEquals(h1, h2);
      }
  
      /**
       * Some checks for the {@link OHLCSeriesCollection#removeSeries(int)}
       * method.
       */
      @Test
      public void testRemoveSeries_int() {
          OHLCSeriesCollection c1 = new OHLCSeriesCollection();
          OHLCSeries s1 = new OHLCSeries("Series 1");
          OHLCSeries s2 = new OHLCSeries("Series 2");
          OHLCSeries s3 = new OHLCSeries("Series 3");
          OHLCSeries s4 = new OHLCSeries("Series 4");
          c1.addSeries(s1);
          c1.addSeries(s2);
          c1.addSeries(s3);
          c1.addSeries(s4);
          c1.removeSeries(2);
          assertEquals(c1.getSeries(2), s4);
          c1.removeSeries(0);
          assertEquals(c1.getSeries(0), s2);
          assertEquals(2, c1.getSeriesCount());
      }
  
      /**
       * Some checks for the
       * {@link OHLCSeriesCollection#removeSeries(OHLCSeries)} method.
       */
      @Test
      public void testRemoveSeries() {
          OHLCSeriesCollection c1 = new OHLCSeriesCollection();
          OHLCSeries s1 = new OHLCSeries("Series 1");
          OHLCSeries s2 = new OHLCSeries("Series 2");
          OHLCSeries s3 = new OHLCSeries("Series 3");
          OHLCSeries s4 = new OHLCSeries("Series 4");
          c1.addSeries(s1);
          c1.addSeries(s2);
          c1.addSeries(s3);
          c1.addSeries(s4);
          c1.removeSeries(s3);
          assertEquals(c1.getSeries(2), s4);
          c1.removeSeries(s1);
          assertEquals(c1.getSeries(0), s2);
          assertEquals(2, c1.getSeriesCount());
      }
  
      /**
       * A simple check for the removeAllSeries() method.
       */
      @Test
      public void testRemoveAllSeries() {
          OHLCSeriesCollection c1 = new OHLCSeriesCollection();
          c1.addChangeListener(this);
  
          // there should be no change event when clearing an empty series
          this.lastEvent = null;
          c1.removeAllSeries();
          assertNull(this.lastEvent);
  
          OHLCSeries s1 = new OHLCSeries("Series 1");
          OHLCSeries s2 = new OHLCSeries("Series 2");
          c1.addSeries(s1);
          c1.addSeries(s2);
          c1.removeAllSeries();
          assertEquals(0, c1.getSeriesCount());
          assertNotNull(this.lastEvent);
          this.lastEvent = null;  // clean up
      }
  
      /** The last received event. */
      private DatasetChangeEvent lastEvent;
  
      /**
       * Receives dataset change events.
       *
       * @param event  the event.
       */
      @Override
      public void datasetChanged(DatasetChangeEvent event) {
          this.lastEvent = event;
      }
  
  }
  